81312362

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{112621}}^1$

素因数の和:112661

約数の個数: 12

約数和(自身を含む): 128726946

約数和(自身を除く): 47414584

約数列:

[1, 2, 19, 38, 361, 722, 112621, 225242, 2139799, 4279598, 40656181, 81312362]

約数ペア:

[(1, 81312362), (2, 40656181), (19, 4279598), (38, 2139799), (361, 225242), (722, 112621)]